Toothache in the wisdom tooth

I completed root canal treatment on the molar.

There is a throbbing pain in the area where the gold crown was placed.

Especially, the days I chewed a lot feel more sore.

In this case, remove the gold crown that was placed and receive treatment again.

Can the gold crown that was used be reused?

It won't work, right?

It's been a long time since I covered it, though. ㅜ

I'm worried about the cost and whether it will hurt at the dentist.

I think it's the thing I end up procrastinating the most.